They make the wine sweeter by adding sugar.

加了糖之后，酒变得更甜了。

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You should also be wary of low-fat and fat-free foods (with the exception of dairy products), because food companies often compensate for the lack of fat by adding more sugar.

你还应该警惕低脂和无脂食品(乳制品除外)，因为食品公司经常通过添加更多的糖来弥补脂肪的缺少。

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According to a new study published in the journal Cell Metabolism, consistently adding a small amount of sugar to a worm's regular diet of bacteria shortened its lifespan by 20 percent.

根据发表在《细胞新陈代谢》杂志上的一项新研究报告，向虫子平时所食的细菌中持续添加少量的糖分，虫子的寿命将会减少20%。

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It can be made sugar-free by adding sorbitol, a substance that can have laxative effects at high doses.

CNN: Chew on this: Gum may be good for body, mind

In Chile, navegado is made by first caramelizing sugar in the bottom of a pot, adding a box of cheap red wine (even boxed wine in Chile is tasty), and then simmering it with some cinnamon sticks, cloves and orange slices.

BBC: Liquid traditions around the world